>>>>
Just for fun, I wanted to see how many re-brewing<<<<
cycles I could force a batch of EIS through. I just
finished the eighth re-brewing. I will try for a ninth
tomorrow, after it relaxes overnight. It is straw
yellow and strongly metallic in taste.
Here is a question. Why does conductivity decay
for about a day after the electrolysis? There is more
than one possibility.
>>>>
Agglomeration and sedimentation<<<<
of silver is one possibility.
If that's agglomeration os existing particles, it shouldn't have an effect as the original particles don't contribute to conductivity.
When I added the H2O2 to the deep yellow CS, the conductivty didn't go up any more that I'd expect from adding that amount of H2O2..which in itself is interesting because it indicates that perhaps the H2O2 isn't being 'used up' in the process of breaking particles apart.
>>>>
A second possiblity is<<<<
neutralization of radicals by recombination (e.g.
warm water cools and becomes less conductive even
though no precipitation occurs.)
That's definately part of it. I heated a batch of CS and charted the conductivity rise for every 10 deg F gained then charted it again as it cooled. It was hard to get exact readings since the meter itself was heating and cooling the water a little while using it and temperature compensation isn't all that fast in the meter.
In general, the up readings and the down readings were close to each other and averaged out to 1uS [gain or drop] for every ten degrees F rise or cool.
A note on temerature compensation in PWT meters. [It took me months to figure out how to use that meter without having it hunt all over the place or constantly climb as my hand was warming the solution]
It doesn't compensate for the temperature of the solution. It compensates for the temperature of the meter. When using it in a warm or cool solution you must wait for those temperatures to equalize to get a good reading..which means that the meter is cooling the solution as it's warming up and vice versa.
To get a good reading that doesn't hunt so much before it stabilizes. Heat or cool the meter to the same temp as the solution beforehand.
>>>>
And a third possibility<<<<
is the envelopment of silver nanocrystals by waters
of hydration; this increases the sluggishness of the
charged particulates without sedimentation or
charge dissipation. It would be analogous to barnacles
encrusting on ship hulls and slowing freighter traffic.
Are the particles charged and do they conduct? [assuming that ions are not particles]
Some portion of the conductivity drop overnight has to do with the formation of non conductive particles out of conductive ions as they lose charge.
What I haven't had an answer to is the question: Is there such a thing as a partially ionized particle? Is there such a thing as a crystal with an ion 'dangle', so to speak, being a semi conductor.
If that is possible, it's possible that smaller particles, there being more of them, could carry more or less charge than the same PPM of larger particles.
Is there such a thing as a transitional particle?
I have a sneaking suspicion that very freshly made EIS works significantly better than that which has stabilized.
If I chug down an oz of very fresh CS, I feel like I just drank 2 cups of coffee [but no jitters] while doing the same with stored CS, I don't get that feeling.
All very subjective...but but but.
Also, I think it's the ions that hydrate [into solution], not the particles. But ions being well hydrated are uniformly seperated from each other by water molecules, so there are fewer of them in any given location to form a larger particle.
If the ions are not well hydrated, they are in high density zones..packed tight in localized areas...and can form large particles in over-all weaker CS, then disburse.
If the current density on the electrodes is really high, you can watch it happen as streams of golden particles flow out of a very high ion density zone right next to the electrode surface.
One thing I found when using low voltage low frequency square wave AC with controlled current is that a high density zone can be custom made around the electodes by adjusting the frequency of a field build and collapse and I could watch particles form in them.
The slower the frequency, the bigger the field and the fewer particles. [The particle cloud outlines the size of the field. It is visable in the right light at the right angle. Bright white LED light is perfect for viewing]
If the frequency is higher, the overall conductivy builds slower as realtively more particles form in the smaller field.
If frequency is too high, whatever gets off the electrodes gets sucked back on.
Well, this is very cool..but electrode crud gets tossed off into the water too. Big chunks..sparklies galore. Very wasteful of silver?
If that's allowed to settle out over several days, very nice CS with that fuzzy quality TE.
Apparently the chunks are MUCH bigger than the 'particles' which appear to be uniform in size and they do eventually settle out. ["What" size..only Frank can say, but they look good to the laser eye.]
The more ions that are packed into a location, the more likely a large crystal will form. Then there's the formation of crystals around a 'seed'..an impurity in the water...and copy cat crystals where if you pre-"seed" the batch, the end result looks like the seed stock.
All this was an effort to build a new super generator for home use. I even have the circuit board artwork done.
But it's tricky. There are enough wild variables when using straight DC, now add another 3 or 4 dimensions to that.
I'm in doubt that average home people will get good results as a Plug n' Play item.
I mean, who wants to make CS then have to wait a week to use it?
Then too, any equating conductivity to PPM with that process is like..forget it.
The equation is not that great to start with [useful but not 'wonderful']..now add some more highly significant variables.
I have a batch sitting here made with the bread board prototype that looks even stronger than the concentrated peroxided batch mentioned before that's only 11 to 14 uS. [It keeps shifting around day to day]
I like that batch a lot, but can't seem to make another one like it.
Ode
>>>>
Matthew<<<<
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